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100 Corporate Drive Mahwah, NJ 07430

Service Bulletin
No. : DZ09-326-3
Date: April 8, 2010
_____________________________________________________________

Model: DVD-A1UDCI

Subject: The recovery method of the firmware via DPMS
Countermeasure is applicable only upon claim from the customer.

Symptom: 1) When unit reproduces a specific BD which made in only the
"Twentieth Century Fox Film Corporation", the unit will display a picture
promoting update of the firmware, and then the block noise might be generated
when unit reproduces the main title.
2) When unit reproduces specific BD which made in only the "Twentieth Century
Fox Film Corporation", unit displays a text that promoting update of the firmware,
and unit might reproduce the main title.
3) When unit reproduces DVD-Audio, the audio signal might output without any
sound or noise signal or/and the video signal might output without any picture.
4) Customer complained Blue Ray "Quantum of Solace" would not play.
5) Sound skip occur when play a specific BD "TRONDHEIM SOLISTENE"
[2L50SACD].
6) Crackling noise on surround back speakers during playback of "DTS-HD-
MSTR 6.1 disc".
7) The unit freezes when stop playback of BD-RE which is recorded a data of
BS-High.
8) The unit won't turn on. No red LED light of power indication comes on.
9) When "AMX DIRECT SEARCH 19" is searched, but unit searched "10".
10) When press the "POPUP MENU" button while playing SACD disc, unit might
be stopped.
11) The freeze occurs in one mode though there are four kinds of sound output in
the disc ( "unplugged" No.2729428). The mode is only DTS-HD Master
Audio7.1. It is frozen near Track 21(1h28m03s), and the video and the sound
stop. But, the FL Display counts time.

______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
12) Layer Break of DVD is clearly visible when playing back DVD9 with all Denon
BD players.
13) When playing the "TERMINATOR SALVATION (BD Disc)", the screen might
display a white color in BD LIVE.

Cause: The unique key of unit is lost.

Solution: We corrected the firmware so that no malfunction occurs. The
unique key is not lost.

METHOD OF UPDATE via DPMS
Please do not use Proxy for updating in the Network environment! If customer
uses setting of Proxy, the unit doesn't update the firmware properly If customer
updated the firmware once via DPMS or CD-R, customer can update the
firmware with Proxy in the Network environment.

Caution: It is necessary to initialize the unit before the update work begins. The
customer has to initialize their BD/DVD Player. Please update the firmware after
you confirm this matter to the customer beforehand.

Updating the firmware (Refer to the Instruction Manual.)
1) Turn the Power Supply of the unit off.
2) Connect the Ethernet terminal of the unit to the Network line by Ethernet
straight cable. (Don't use Ethernet cross cable.)
3) The connection of the network recommends the Ethernet cable for certain
update.
4) Turn the Power Supply of the unit on.
5) Remove the Disc from the Tray.
6) Please confirm! "NO DISC" on the FL Display.
7) The unit sets the Internet. It wishes waiting for about two minutes until
customer's router ends the setting.

Caution: The update doesn't succeed when the customer's set cannot connect to
the Internet correctly. In this case, please confirm the internet environment in the
customer's house. Whether the set is able to receive Internet radio correctly or
not can be used to determine whether the Internet is properly connected. There
are some problems under the internet environment when the Internet radio can
not be received.

8) Press "SETUP" button on the Remote control and indicates the GUI menu.
9) Press "CURSOR" button.
10) The GUI indicates, "Other Setup" > "Firmware Update".

______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
Caution: The update interrupts when it is not possible to connect it with the
Internet correctly. In this case, please do from 1) again.

______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
11) Select the "Start" on GUI.

12) Press the "ENTER" button.
13) The firmware will start updating.

Caution: When the firmware update starts correctly, the GUI and the audio
signal, etc. stop everything, and become the update operation.

14) When updating starts, the power indicator lights red.
15) The GUI display disappears, and becomes only FL display.
16) During update, a rough remaining time is indicated on the display. When
updating is complete the power indicator lights green and normal status is
resumed.

______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
17) During the updating, the FL Display indicates the procedure of update the
firmware.
Time necessary for update: approximately 30 min.

Caution: The update time might change depending on the situation of the DPMS
server and the speed of the Internet environment of the customer house.

18) The unit initializes automatically.

Confirmation of the version:
1) Press the "OPEN/CLOSE" button and open the Disc Tray.
2) Remove the Disc from the Tray.
3) Please confirm! "NO DISC" on the FL Display.
4) While pushing the "PLAY" and "OPEN/CLOSE" button, turn on the power of
unit.
5) Plug in AC CORD.
6) The indication of "PLAY" and "PAUSE" will be displayed on FL Display.
7) Please confirm! "NO DISC" on the FL Display, and wait 10 seconds.
8) Press the buttons on the remote control in the order of "3", "2", "6" and "5".
9) The version of the firmware will be indicated on the FL Display.
10) The firmware list will also be shown on connected TV (GUI).
11) Push the "UP" button of cursor button, version of the each firmware will be
indicated on the FL Display.

Cautions during the rewriting operation:
1) Please do not turn the Power off during the rewriting operation.
2) If the Display isn't turning into the following version of the firmware during the
rewriting operation, wait longer than 10 minutes after closing the Disc Tray.
Then, turn off the Power of the unit and start the rewriting operation from the
beginning again.

______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
Troubleshooting: If the display reads as shown below, check the settings and
network environment, then update again. The problem is not in the Internet
connection if the Internet radio can be able to be received correctly

______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
Cautions during the updating operation:
1) Please do not turn off the setting of "DHCP" when you update the unit.
(Initialization is turning on.) Please execute it under the guidance of the IT staff
______________________________________________________________________________________
CONFIDENTIALITY NOTICE:
The information contained in this document is intended for the exclusive use by DENON Authorized Service Centers and their
employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
applicable laws and terms of the DENON Service Agreement. Any distribution, disclosure, dissemination or copying of this
document and the information it contains is prohibited. No responsibility will be accepted by DENON for any damage, injury or loss
resulting from the misuse of the information contained in this document.
with computer skills when the setting of "DHCP" is unavoidably turned off by
limiting the electronic environment, and you set IP Address, the subnet mask, the
default gateway, and DNS, etc. for myself. When it makes a mistake in the
setting with "DHCP" turned off, the unit might not operate, and the unit be
damaged in the worst situation. Please do not touch the setting of "DHCP"
except in special circumstances.
2) When the customer uses a "Netgear router 614 Series" for updating, you
have to deactivate "uPnP" in the router.
3) Do not turn off the Power of the unit during the updating operation.
4) If the Display has kept indicating fixed during the updating operation, wait
longer than total updating time. Then, turn off the Power of the unit and start the
updating operation from the beginning again.
5) The unit doesn't break down while updating it when the power supply of the
unit is turned off or the cable of the Internet is pulled out.
6) Please execute initialization when it is not improved. Still, please repair by
service when it is not improved.
7)Even